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Firefox OS

firefox os, firefox os download
Firefox OS4 project name: Boot to Gecko, also known as B2G5 is a discontinued open-source operating system – made for smartphones,6 tablet computers7 and smart TVs89 – designed by Mozilla and external contributors It is based on the rendering engine of the Firefox web browser, Gecko, and on the Linux kernel It was first commercially released in 2013

Firefox OS was designed to provide a complete,10 community-based alternative operating system, for running web applications directly or those installed from an application marketplace The applications use open standards and approaches such as JavaScript and HTML5, a robust privilege model, open web APIs that can communicate directly with hardware, eg cellphone hardware5 As such, Mozilla with Firefox OS competed with commercially developed operating systems such as Apple's iOS, Google's Android, Microsoft's Windows Phone,10 BlackBerry's BlackBerry 10 and Jolla's Sailfish OS In December 2015 Mozilla announced it would stop development of new Firefox OS smartphones,11 and in September 2016 announced the end of development12


  • 1 History
  • 2 Project inception and roll-out
    • 21 Commencement of project
    • 22 Development history
    • 23 Digital rights management DRM
    • 24 Demonstrations
  • 3 Core technologies
    • 31 Gonk
    • 32 Gecko
    • 33 Gaia
  • 4 Release history
  • 5 Comparison with Android
  • 6 Gallery
  • 7 Criticisms
  • 8 Devices
    • 81 Officially and unofficially supported devices
  • 9 See also
  • 10 References
  • 11 External links


Firefox OS was publicly demonstrated in February 2012, on Android-compatible smartphones1314 By December 16, 2014, Firefox OS phones were offered from 14 operators in 28 countries throughout the world15

On December 8, 2015, Mozilla announced that it will stop sales of Firefox OS smartphones through carriers16 Mozilla later announced that Firefox OS smartphones would be discontinued by May 2016, as the development of "Firefox OS for smartphones"17 would cease after the release of version 26 Around the same time, it was reported that Acadine Technologies, a startup founded by Li Gong former president of Mozilla Corporation with various other former Mozilla staff among its employees, would take over the mission of developing carrier partnerships, for its own Firefox OS derivative H5OS18

In January 2016, Mozilla announced that Firefox OS would power Panasonic's UHD TVs as previously announced Firefox OS "would pivot to connected devices"19 In September 2016, Mozilla announced that work on Firefox OS has ceased, and all B2G-related code is going to be removed from mozilla-central 20

Project inception and roll-outedit

Commencement of projectedit

On July 25, 2011, Andreas Gal, Director of Research at Mozilla Corporation, announced the "Boot to Gecko" Project B2G on the mozilladevplatform mailing list10 The project proposal was to "pursue the goal of building a complete, standalone operating system for the open web" in order to "find the gaps that keep web developers from being able to build apps that are – in every way – the equals of native apps built for the iPhone, Android, and Windows Phone 7"10 The announcement identified these work areas: new web APIs to expose device and OS capabilities such as telephone and camera, a privilege model to safely expose these to web pages, applications to prove these capabilities, and low-level code to boot on an Android-compatible device

This led to much blog coverage2122 According to Ars Technica, "Mozilla says that B2G is motivated by a desire to demonstrate that the standards-based open Web has the potential to be a competitive alternative to the existing single-vendor application development stacks offered by the dominant mobile operating systems"23

In 2012, Andreas Gal expanded on Mozilla's aims He characterized the current set of mobile OS systems as "walled gardens"24 and presented Firefox OS as more accessible: "We use completely open standards and there’s no proprietary software or technology involved"24 That changed in 2014; see Digital rights management DRM, below Gal also said that because the software stack is entirely HTML5, there are already a large number of established developers24 This assumption is employed in Mozilla's WebAPI25 These are intended W3C standards that attempt to bridge the capability gap that currently exists between native frameworks and web applications26 The goal of these efforts is to enable developers to build applications using WebAPI which would then run in any standards compliant browser without the need to rewrite their application for each platform

Jan Jongboom at the Simonyi Conference - 2014

Development historyedit

In July 2012, Boot to Gecko was rebranded as 'Firefox OS',27 after Mozilla's well-known desktop browser, Firefox, and screenshots began appearing in August 201228

In September 2012, analysts Strategy Analysts forecast that Firefox OS would account for 1% of the global smartphone market in 2013 – its first year of commercial availability29

In February 2013, Mozilla announced plans for global commercial roll-out of Firefox OS30 Mozilla announced at a press conference before the start of Mobile World Congress in Barcelona that the first wave of Firefox OS devices will be available to consumers in Brazil, Colombia, Hungary, Mexico, Montenegro, Poland, Serbia, Spain and Venezuela Mozilla has also announced that LG Electronics, ZTE, Huawei and TCL Corporation have committed to making Firefox OS devices31

In December 2013, new features were added with the 12 release, including conference calling, silent SMS authentication for mobile billing, improved push notifications, and three state setting for Do Not Track32

Async Pan and Zoom APZ,33 included in version 13, should improve user interface responsiveness

Work is currently being done to optimize Firefox OS to run a 128 MB platform with version 13T34 A 128 MB device is out35 that seems to use that version but it may be unfinished

In 2015, Mozilla ported Firefox OS an "experimental version" to MIPS32 to work in a sub-$100 tablet that can also run Android 44 KitKat36 Mozilla has also begun the development of Smart Feature Phones37

Digital rights management DRMedit

In 2014, Gal announced a change in course, writing that future versions of the Firefox browser would include DRM38 Implementation of DRM in the Firefox browser began with version 3839

In August 2015, attempts by Matchstick TV based on Firefox OS to add DRM caused the demise of Matchstick, a decision that Boing Boing called "suicide-by-DRM"40


Mozilla's Firefox OS, version Boot2Gecko-prerelease on Nexus 4 LG E960 Code name: mako

At Mobile World Congress 2012, Mozilla and Telefónica announced that the Spanish telecommunications provider intended to deliver "open Web devices" in 2012, based on HTML5 and these APIs41 Mozilla also announced support for the project from Adobe and Qualcomm, and that Deutsche Telekom’s Innovation Labs will join the project42 Mozilla demonstrated a "sneak preview" of the software and apps running on Samsung Galaxy S II phones replacing their usual Android operating system1343 In August 2012, a Nokia employee demonstrated the OS running on a Raspberry Pi44

Firefox OS is compatible with a number of devices, including Otoro, PandaBoard, Emulator ARM and x86, Desktop, Nexus S, Nexus S 4G, Samsung Galaxy S II, Galaxy Nexus45 and Nexus 4 A MIPS port was created by Imagination Technologies in March 201546

In December 2012, Mozilla rolled out another update and released Firefox OS Simulator 10, which can be downloaded as an add-on for Firefox The latest version of Firefox OS Simulator, version 40, was released on July 3, 201347 and announced on July 11, 201348

Mozilla's planned US$25 Firefox smartphone displayed at MWC, is built by Spreadtrum49 Mozilla has collaborated with four handset makers and five wireless carriers to provide five Firefox-powered smartphones in Europe and Latin America so far with cellphone launches being led by UK marketer John D Bernard In India, Mozilla planned a launching at $25 in partnership with Intex & Spice,50 but the price ended up being $33 converted from 1,999 Rupees51

Core technologiesedit

Firefox OS architecture diagram

The initial development work involves three major software layers:52

  • Gonk – platform denomination for a combination of the Linux kernel and the HAL from Android
  • Gecko – the web browser engine and application run-time services layer
  • Gaia – an HTML5 layer and user-interface system


Gonk consists of a Linux kernel and user-space hardware abstraction layer HAL The kernel and several user-space libraries are common open-source projects: Linux, libusb, BlueZ, etc Some other parts of the HAL are shared with the Android project: GPS, camera, among others Gonk is basically an extremely simple Linux distribution and is therefore from Gecko's perspective, simply a porting target of Gecko; there is a port of Gecko to Gonk, just like there is a port of Gecko to OS X, and a port of Gecko to Android However, since the development team have full control over Gonk, the developers can fully expose all the features and interfaces required for comprehensive mobile platforms such as Gecko, but which aren't currently possible to access on other mobile OSes For example, using Gonk, Gecko can obtain direct access to the full telephony stack and display framebuffer, but doesn't have this access on any other OS52


Main article: Gecko

Gecko is the web browser engine of Firefox OS Gecko implements open standards for HTML, CSS, and JavaScript Gecko includes a networking stack, graphics stack, layout engine, virtual machine for JavaScript, and porting layers52


Gaia is the user interface of Firefox OS and controls everything drawn to screen Gaia includes by default implementations of a lock screen, home screen, telephone dialer and contacts application, text-messaging application, camera application and a gallery support, plus the classic phone apps: mail, calendar, calculator and marketplace Gaia is written entirely in HTML, CSS, and JavaScript It interfaces with the operating system through Open Web APIs, which are implemented by Gecko Because it uses only standard web APIs, it can work on other OSes and other web-browsers52

Release historyedit

Version53 First build created Feature Complete FC date54 Code Complete CC date55 Release date56 Codename Gecko version53 Included security fixes53 End of Life56
10 August 14, 2012 December 22, 2012 February 21, 2013 TEF Gecko 18 Gecko 18 February 21, 2013
101 January 25, 2013 September 6, 2013 Shira Gecko 18 Gecko 20 September 6, 2013
110 February 20, 2013 March 29, 2013 October 9, 201357 Leo Gecko 18+ new APIs Gecko 23 May 27, 2014
111 August 24, 2013 HD Gecko 18+ new APIs Gecko 23 May 27, 2014
120 June 21, 2013 September 15, 2013 December 9, 2013 Koi Gecko 2658 Gecko 26 June 9, 2014
121 December 4, 2013 Gecko 26 Gecko 26 December 17, 2013
130 September 17, 2013 January 31, 2014 March 17, 2014 Gecko 28 Gecko 28 September 4, 2014
130t April 8, 2014 Gecko 28 Gecko 28 December 19, 2014
140 December 10, 2013 April 25, 2014 June 9, 2014 August 8, 2014 Gecko 30 Gecko 30 May 14, 2015
150 March 17, 2014 April 14, 2014
200 February 21, 2013 July 21, 2014 September 1, 2014 Gecko 32 Gecko 32 July 23, 2015
210 June 9, 2014 October 13, 2014 November 21, 2014 Gecko 34 Gecko 34 July 23, 2015
220 September 2, 2014 April 29, 2015 June 8, 2015 August 20, 2015 Gecko 37 Gecko 37
250 January 12, 2015 November 2, 2015 planned January 4, 2016 planned Gecko 44 Gecko 44
260 October 30, 2015
Spark v01 April 15, 2015 June 22, 2015 Spark Latest

Comparison with Androidedit

Both Firefox OS and Android use the Linux kernel Firefox OS uses the Gecko engine on top of Linux kernel to render the screen output Coding is done using HTML, CSS and JavaScript as in making a webpage Thus, a Firefox OS app is essentially a website built using these three languages On the other hand, Android, similar to Microsoft Windows, has a dedicated path for every operation and functionality, ie apps are coded in java, using Android Studio So Android provides a broader set of controls and development options, as compared to what can be achieved using HTML, CSS and JScitation needed Android also enjoys greater maturity and support Firefox OS, however, features all the essentials required to use a smartphone5960 Firefox launched its first official device in Germany in 2014, which was an Alcatel One Touch Fire The device had a 35” HVGA screen and Cortex A5 processor 256MB RAM and 512MB storage As of December 2015, Mozilla has launched 12 smartphones across 24 countries61



Chris Ziegler of the technology blog The Verge wrote that Firefox OS will take app distribution to pre-iPhone era, requiring application developers to deal with multiple carriers and their app stores6263 At the Mobile World Congress, Mozilla's CEO Gary Kovacs said that Firefox OS has the advantage that users need not install an app to use it Mozilla is making the most of this with the search functionality built into Firefox OS, a core feature of the platform64

Janne Lindqvist, a mobile security researcher at the Rutgers University WINLAB, expressed concern about the discovery mechanism of a web-based platform, but a Mozilla spokesperson has stated that Mozilla requires developers to "package downloadable apps in a zip file that has been cryptographically signed by the store from which it originated, assuring that it has been reviewed" In addition, "apps coming back from search are given only limited access to device programming interfaces and applications, unless the user grants permission for further access"65


Main article: Comparison of Firefox OS devices

Officially and unofficially supported devicesedit

The structural similarities between Firefox OS and Android allow the Mozilla platform to run on a number of devices that ship with Android While some ports of Firefox OS are hardly different from their original versions, others are heavily modified to fit the device in question There are quite a few to note that are specifically made for Firefox OS as stated above There are some that are designed for the developers themselves and others that are consumer-phones While to add to it there are also emulators for testing both apps and the OS itself on the desktop which are designed for both OS testing and the developers themselves

Firefox OS specific devices for developers:

  • T2Mobile Flame66
  • Geeksphone Keon67
  • Geeksphone Peak67
  • ZTE Open68
  • ZTE Open C69

Firefox OS specific devices for consumers:

  • Cherry Mobile Ace70
  • Symphony GoFox F1571
  • KDDI Fx072
  • Intex Cloud FX73
  • Zen 105 Firefox
  • Spice Fire One MI FX174
  • Alcatel Onetouch FireC 4020D75
  • ZTE Open II
  • APC Paper76
  • Spice Fire One Mi-FX 277

Firefox OS has been ported to the following devices:

  • Sony Xperia SP78
  • Huawei Ascend Y30079
  • Huawei Ascend G51079
  • HTC Explorer80
  • Nexus 481
  • Nexus 582
  • Nexus 7 201383
  • Ingenic JZ4780 based devices 20158485
  • Moto G86
  • Sony Xperia Z387
  • Sony Xperia T2 Ultra
  • Samsung Galaxy S6 Edge+

See alsoedit

  • Comparison of mobile operating systems
  • Comparison of Firefox OS devices
  • HTML5 in mobile devices
  • OpenFlint – open streaming technology for Firefox OS using the Matchstick dongle
  • Stagefright bug – security bug fixed in Firefox 22, but mostly known to affect Android
  • Free software portal
  • Linux portal


  1. ^ B2G/Architecture - Mozilla Wiki
  2. ^ a b "Mozilla Licensing Policies" Mozilla 
  3. ^ "Mozilla Eula" Mozilla 
  4. ^ "The first mobile in Spain with Firefox OS Geekphone Keon y Peak" January 22, 2013 
  5. ^ a b "Firefox OS" Mozilla August 21, 2012 Retrieved September 17, 2012 
  6. ^ Olson, Parmy April 15, 2013 "Want to Buy A Webphone" Forbes paper p 52 
  7. ^ Dotzler, Asa January 6, 2014 "Mozilla Launches Contribution Program to Help Deliver Firefox OS to Tablets" Retrieved March 19, 2014 
  8. ^ Now you can buy a Panasonic Smart TV with Firefox OS in Europe May 2015
  9. ^ "Mozilla and Partners to Bring Firefox OS to New Platforms and Devices" Mozilla Corporation January 6, 2014 
  10. ^ a b c d Gal, Andreas June 25, 2011 "Booting to the web" mozilladevplatform Mailing list Retrieved November 20, 2011 
  11. ^ https://techcrunchcom/2015/12/08/mozilla-will-stop-developing-and-selling-firefox-os-smartphones/
  12. ^ http://wwwpcworldcom/article/3124563/open-source-tools/mozilla-is-stopping-all-commercial-development-on-firefox-oshtml
  13. ^ a b Ginny Maies February 28, 2012 "First Look at Mozilla's Web Platform for Phones: 'Boot to Gecko'" PCWorld Retrieved March 23, 2012 
  14. ^ "Mozilla making mobile OS using Android" blog I Didn't Know That! July 2011 Retrieved August 4, 2011 
  15. ^ "Firefox OS Expands to Nearly 30 Countries" Mozilla Corporation December 16, 2014 
  16. ^ http://arstechnicacom/gadgets/2015/12/firefox-os-smartphones-are-dead/
  17. ^ "Firefox OS/Connected Devices Announcement" Mozilla Retrieved February 5, 2016 This means that Firefox OS for smartphones will no longer have staff involvement beyond May As of today, we have 3 projects that have passed the first gate including SmartTV, and about a dozen more projects are prepping for review 
  18. ^ Shankland, Stephen 2015-12-10 "Startup picks up the torch for troubled Firefox OS" CNET Retrieved 2015-12-12 
  19. ^ https://blogmozillaorg/blog/2016/01/05/firefox-os-will-power-new-panasonic-uhd-tvs-unveiled-at-ces/
  20. ^ "B2G OS and Gecko Annoucement from Ari Jaaksi & David Bryant" September 27, 2016 Retrieved September 27, 2016 
  21. ^ "The Firefox Phone Mozilla Working on Android-Esque OS" blog Gagagadget July 26, 2011 Retrieved August 4, 2011 
  22. ^ Andrew Kameka July 26, 2011 "Mozilla borrows from Android to create its own mobile operating system" blog androinica Retrieved August 4, 2011 
  23. ^ Ryan Paul July 26, 2011 "Mozilla eyes mobile OS landscape with new Boot to Gecko project" Ars Technica Retrieved August 4, 2011 
  24. ^ a b c "Mozilla's Boot 2 Gecko and why it could change the world - Features" Know Your Mobile March 2, 2012 Retrieved August 18, 2012 
  25. ^ WebAPI
  26. ^ "WebAPI - MozillaWiki" Wikimozillaorg Retrieved June 14, 2013 
  27. ^ Brown, Mark August 8, 2012 "Mozilla's HTML5 phone platform now called Firefox OS, launching 2013 Wired UK" Wiredcouk Retrieved August 18, 2012 
  28. ^ "Mozilla shows off Firefox OS screenshots" The Inquirer Retrieved August 18, 2012 
  29. ^ "Firefox OS to Capture 1 Percent Share of Global Smartphone Market in 2013" Strategy Analytics Retrieved September 27, 2012 
  30. ^ "Mozilla Announces Global Expansion for Firefox OS" mozilla February 24, 2013 Retrieved March 27, 2013 
  31. ^ "Mozilla reveals Firefox smartphone launch partners" BBC February 24, 2013 Retrieved March 28, 2013 
  32. ^ "Firefox OS 12 for developers" Mozilla Developer Network 
  33. ^ "Platform/GFX/APZ" mozillaorg 
  34. ^ https://wikimozillaorg/FirefoxOS/Tarako
  35. ^ "Intex Cloud FX - Smartphone with Mozilla Firefox OS 13T" Firefox OS Devices 
  36. ^ Shah, Agam March 23, 2015 "Imagination floats sub-$100 MIPS tablet running Firefox OS" PC World IDG News Service Retrieved June 5, 2015 
  37. ^ "Is there a market for the new Smart Feature Phones - Firefox OS Central" Retrieved 2015-09-18 
  38. ^ https://wwwtheguardiancom/technology/2014/may/14/firefox-closed-source-drm-video-browser-cory-doctorow
  39. ^ https://supportmozillaorg/en-US/kb/enable-drm
  40. ^ https://boingboingnet/2015/08/04/open-chromecast-killer-comhtml
  41. ^ "Telefónica and Mozilla pioneer first Open Web Devices" Press release Telefónica February 27, 2012 Retrieved March 23, 2012 
  42. ^ "Mozilla in Mobile – the Web is the Platform" Press release Mozilla February 27, 2012 Retrieved March 23, 2012 
  43. ^ Chloe Albanesius February 28, 2012 "Mozilla Tackles Walled Gardens, Demos 'Boot to Gecko' Mobile OS" PCMagcom Retrieved March 23, 2012 
  44. ^ "Raspberry Pi now comes in Firefox OS flavour" Theregistercom Retrieved September 15, 2012 
  45. ^ "B2G Build Prerequisites" Mozilla Developer Network Retrieved September 9, 2012 
  46. ^ "Firefox OS ported to MIPS on Ingenic tablet" LinuxGizmos 
  47. ^ "Firefox OS Simulator :: Versions :: Add-ons for Firefox" Retrieved July 15, 2013 
  48. ^ Angelina Fabbro July 11, 2013 "Firefox OS Simulator 40 released ✩ Mozilla Hacks – the Web developer blog" Retrieved July 15, 2013 
  49. ^ "Spreadtrum planning a $25 Firefox OS smartphone" GSMArenacom 
  50. ^ "Mozilla to launch $25 phone in India in partnership with Intex & Spice" IndianWeb2com Retrieved June 18, 2014 
  51. ^ Bianca Vázquez Toness, Bloomberg News August 25, 2014 "Mozilla debuts $33 Cloud FX smartphone in bid to capture Indian market" Financial Post 
  52. ^ a b c d "B2G/Architecture wiki page" MDN Mozilla September 3, 2014 Retrieved November 5, 2014 
  53. ^ a b c "Release Management/B2G Landing - MozillaWiki" MozillaWiki Retrieved July 23, 2015 
  54. ^ "B2G/Roadmap" Retrieved August 16, 2015 
  55. ^ "Release Management/B2G Landing" mozillaorg 
  56. ^ a b "Index of /pub/mozillaorg/b2g/manifests/" Mozilla FTP server Retrieved September 10, 2013 
  57. ^ "Firefox OS Update 11 Adds New Features, Performance Improvements and Additional Language Support | Future Releases" Mozilla Retrieved October 10, 2013 
  58. ^ "Platform/2013-10-01" Retrieved August 16, 2015 
  59. ^ "Fox Chase » Linux Magazine" Linux Magazine Retrieved 2016-01-10 
  60. ^ "Firefox OS Shows Continued Global Growth" The Mozilla Blog Retrieved 2016-01-10 
  61. ^ "Firefox OS Shows Continued Global Growth" The Mozilla Blog Retrieved 2016-01-10 
  62. ^ Chris Ziegler February 27, 2013 "With Firefox OS, Mozilla gets a little dirty to clean the mobile web" The Verge Retrieved June 14, 2013 
  63. ^ Chris Ziegler February 28, 2013 "Certified 'Powered by Firefox OS' devices require Firefox Marketplace, minimum hardware specs" The Verge Retrieved June 14, 2013 
  64. ^ Mozilla Explains Why Firefox OS Apps Are Fundamentally Better than Native Mobile Apps softpediacom
  65. ^ Talbot, David February 28, 2013 "Security Researchers Raise Questions on How Mozilla's Web-Centric Firefox Mobile OS Will Stop Malicious Web Apps | MIT Technology Review" Technologyreviewcom Retrieved June 14, 2013 
  66. ^ "Flame" Mozilla Developer Network 
  67. ^ a b "Geeksphone" Mozilla Developer Network 
  68. ^ "ZTE Open - Mozilla" Retrieved August 27, 2015 
  69. ^ "ZTE Open C - Mozilla" Retrieved August 27, 2015 
  70. ^ "Cherry Mobile Ace Specs" CherryMobilecom Retrieved 19 September 2016 
  71. ^ "Symphony GoFox F15" Mozilla Developer Network 
  72. ^ "Fx0" Mozilla Developer Network 
  73. ^ "Intex Cloud FX" Mozilla Developer Network 
  74. ^ "Spice Fire One MI FX1" Mozilla Developer Network 
  75. ^ "Alcatel Onetouch Fire C 4020D" Mozilla Developer Network 
  76. ^ "APC » Paper" apcio 
  77. ^ Spice Fire One Mi-FX 2 Firefox OS smartphone, tech4mein
  78. ^ Free Xperia Project, - "Firefox OS on SP" 
  79. ^ a b "ROMDragonsphere TeamB2GHTML5NO ANDROIDFirefox OS OFICIAL BUILDB009NEW UPDATE:Flasheable+APN FIX" MoDaCo April 11, 2014 Retrieved January 23, 2015 
  80. ^ HTC Pico/Explorer unofficial port "B2GFIREFOX OS For HTC Explorer" 
  81. ^ "October 27 FirefoxOS nexus 4 11 - 22 -… - Google Nexus 4 - XDA Forums" XDA Developers 
  82. ^ "B2G FireFox OS - Nightlies 11/Jun/2014" XDA Developers 
  83. ^ "ROMOCT 11 FirefoxOS 12 and 13" XDA Developers 
  84. ^ Kevin Parrish "Experimental Firefox OS Build Can Run On MIPS Hardware" Tom's Hardware 
  85. ^ "Firefox OS now running on a MIPS-based reference tablet" Imagination Blog 
  86. ^ "Moto G - Firefox OS Central" Retrieved 2015-09-30 
  87. ^ "Firefox OS Port For Sony Devices" Retrieved 2015-09-30 

External linksedit

  • Official website
    • Firefox OS project page on MDN
    • Firefox OS architecture and terminology on Mozilla Wiki
  • Latest build version of Firefox OS Simulator
  • Mozilla Webmaker – HTML5 app Development party

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